448 search results - page 6 / 90 » Queries and Constraints on Semi-structured Data |
IJCAI
2003
14 years 11 months ago
2003
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
ICDT
2001
ACM
15 years 2 months ago
2001
ACM
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...
CAISE
1999
Springer
15 years 1 months ago
1999
Springer
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
118
click to vote
PODS
1999
ACM
15 years 1 months ago
1999
ACM
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...